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Wetterich, Sebastian; Schirrmeister, Lutz; Pietrzeniuk, Erika (2005): Ostracods in permafrost deposits from the Bykovsky Peninsula 1998/1999. PANGAEA, https://doi.org/10.1594/PANGAEA.879596, Supplement to: Wetterich, S et al. (2005): Freshwater Ostracodes in Quaternary Permafrost Deposits in the Siberian Arctic. Journal of Paleolimnology, 34(3), 363-376, https://doi.org/10.1007/s10933-005-5801-y

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Abstract:
Ostracode analysis was carried out on samples from ice-rich permafrost deposits obtained on the Bykovsky Peninsula (Laptev Sea). A composite profile was investigated that covers most of a 38-m thick permafrost sequence and corresponds to the last ca. 60 kyr of the Late Quaternary. The ostracode assemblages are similar to those known from European Quaternary lake deposits during cold stages. The ostracode habitats were small, shallow, cold, oligotrophic pools located in low centred ice wedge polygons or in small thermokarst depressions. In total, 15 taxa, representing 7 genera, were identified from 65 samples. The studied section is subdivided into six ostracode zones that correspond to Late Quaternary climatic and environmental stadial-interstadial variations established by other paleoenvironmental proxies: (1) cold and dry Zyrianian stadial (58-53 kyr BP); (2) warm and dry Karginian interstadial (48-34 kyr BP); (3) transition from the Karginian interstadial to the cold and dry Sartanian stadial (34-21 kyr BP); (4) transition from the Sartanian stadial to the warm and dry Late Pleistocene period, the Allerød (21-14 kyr BP); (5) transition from the Allerød to the warm and wet Middle Holocene (14-7 kyr BP); and (6) cool and wet Late Holocene (ca. 3 kyr BP). The abundance and diversity of the ostracodes will be used as an additional bioindicator for paleoenvironmental reconstructions of the Siberian Arctic.
Coverage:
Median Latitude: 71.788730 * Median Longitude: 129.401369 * South-bound Latitude: 71.782048 * West-bound Longitude: 129.397800 * North-bound Latitude: 71.789733 * East-bound Longitude: 129.422654
Date/Time Start: 1998-07-31T00:00:00 * Date/Time End: 2000-08-20T00:00:00
Minimum Elevation: 1.7 m * Maximum Elevation: 30.0 m
Event(s):
Byk_98_Mkh-1.6.1 * Latitude: 71.782048 * Longitude: 129.422654 * Date/Time: 1998-08-09T00:00:00 * Location: Lena Delta, Siberia, Russia * Campaign: Lena-Delta1998 * Basis: Sampling on land * Device: Multiple investigations (MULT)
Byk_98_Mkh-6.2 * Latitude: 71.787895 * Longitude: 129.402562 * Date/Time Start: 1998-08-05T00:00:00 * Date/Time End: 1998-08-12T00:00:00 * Location: Lena Delta, Siberia, Russia * Campaign: Lena-Delta1998 * Basis: Sampling on land * Device: Multiple investigations (MULT)
Byk_99_Mkh * Latitude: 71.789700 * Longitude: 129.397800 * Date/Time: 1999-08-02T00:00:00 * Elevation: 2.0 m * Location: Bykovsky Peninsula, Lena Delta, Siberia * Campaign: Lena-Delta1999 * Basis: Sampling on land * Device: Sampling by hand (HAND)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Event labelEventSchirrmeister, Lutz
2Deposit typeDeposit typeSchirrmeister, Lutz
3Sample IDSample IDSchirrmeister, Lutz
4Date/Time of eventDate/TimeSchirrmeister, Lutz
5Latitude of eventLatitudeSchirrmeister, Lutz
6Longitude of eventLongitudeSchirrmeister, Lutz
7Height above sea levelHeightm a.s.l.Schirrmeister, Lutz
8Sediment typeSedimentSchirrmeister, Lutz
9Age, datedAge datedkaSchirrmeister, LutzAge, 14C conventional
10Age, dated, error to olderAge e +ka +Schirrmeister, LutzAge, 14C conventional
11Age, dated, error to youngerAge e -ka -Schirrmeister, LutzAge, 14C conventional
12Sample massSamp mgSchirrmeister, Lutz
13ShellShell#Schirrmeister, LutzCounting, ostracode valves and carapacessum of shells
14Candona sp., juvenileCandona sp. juv#Schirrmeister, LutzCounting, ostracode valves and carapaces
15Candona muelleri-jacuticaC. muelleri-jacutica#Schirrmeister, LutzCounting, ostracode valves and carapaces
16Fabaeformiscandona levanderiF. levanderi#Schirrmeister, LutzCounting, ostracode valves and carapaces
17Candona harmsworthiC. harmsworthi#Schirrmeister, LutzCounting, ostracode valves and carapaces
18Candona cf. acutulaC. cf. acutula#Schirrmeister, LutzCounting, ostracode valves and carapaces
19Candona rawsoniC. rawsoni#Schirrmeister, LutzCounting, ostracode valves and carapaces
20Candona combiboC. combibo#Schirrmeister, LutzCounting, ostracode valves and carapaces
21Fabaeformiscandona cf. hyalinaF. cf. hyalina#Schirrmeister, LutzCounting, ostracode valves and carapaces
22Ilyocypris sp.Ilyocypris sp.#Schirrmeister, LutzCounting, ostracode valves and carapaces
23Trajancypris sp.Trajancypris sp.#Schirrmeister, LutzCounting, ostracode valves and carapaces
24Tonnacypris cf. glacialisT. cf. glacialis#Schirrmeister, LutzCounting, ostracode valves and carapaces
25Limnocythere falcataL. falcata#Schirrmeister, LutzCounting, ostracode valves and carapaces
26Limnocytherina sanctipatriciiL. sanctipatricii#Schirrmeister, LutzCounting, ostracode valves and carapaces
27Limnocythere goersbachensisL. goersbachensis#Schirrmeister, LutzCounting, ostracode valves and carapaces
28Eucypris dulcifonsE. dulcifons#Schirrmeister, LutzCounting, ostracode valves and carapaces
Size:
1669 data points

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